20321232132132 has 24 divisors (see below), whose sum is σ = 52684675898400. Its totient is φ = 6773744044008.

The previous prime is 20321232132127. The next prime is 20321232132137. The reversal of 20321232132132 is 23123123212302.

20321232132132 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 12 + 321 + 321 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20321232132127) and next prime (20321232132137).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20321232132096 and 20321232132105.

It is not an unprimeable number, because it can be changed into a prime (20321232132137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94079778282 + ... + 94079778497.

It is an arithmetic number, because the mean of its divisors is an integer number (2195194829100).

Almost surely, 2^{20321232132132} is an apocalyptic number.

It is an amenable number.

20321232132132 is an abundant number, since it is smaller than the sum of its proper divisors (32363443766268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20321232132132 is a wasteful number, since it uses less digits than its factorization.

20321232132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188159556792 (or 188159556784 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20321232132132 its reverse (23123123212302), we get a palindrome (43444355344434).

The spelling of 20321232132132 in words is "twenty trillion, three hundred twenty-one billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred thirty-two".